Production of expandable styrene polymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521 96, 521146, C08J 918, C08J 920

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active

060462450

ABSTRACT:
In a process for producing preferably graphite-containing, expandable styrene polymers by polymerization of styrene in aqueous suspension in the presence of two peroxides which decompose at different temperatures, the peroxide which decomposes at the higher temperature is di-tert-amyl peroxide.

REFERENCES:
patent: 5177115 (1993-01-01), Hintz et al.
patent: 5266602 (1993-11-01), Walter et al.
patent: 5266603 (1993-11-01), Holzmeier
patent: 5908872 (1999-06-01), Gluck et al.

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